Year Percent of GDP 1980 6.558 1981 -0.655 1982 7.091 1983 17.546 1984 24.878 1985 21.011 1986 18.876 1987 19.737 1988 20.765 1989 20.034 1990 16.884 1991 18.866 1992 19.286 1993 21.025 1994 20.869 1995 23.473 1996 25.342 1997 23.605 1998 23.138 1999 19.08 2000 22.649 2001 22.343 2002 20.246 2003 21.409 2004 24.531 2005 26.451 2006 26.852 2007 28.685 2008 30.316 2009 31.674 2010 38.271 2011 37.987 2012 34.497 2013 37.321 2014 41.168 2015 39.057 2016 33.882 2017 45.738 2018 51.756 2019 54.962 2020 56.98 2021 54.109 2022 52.013 2023 49.611 2024 47.88